diff options
Diffstat (limited to 'net/can')
-rw-r--r-- | net/can/af_can.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c index 2759b76f731c..7e8ca2836452 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c | |||
@@ -208,6 +208,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol) | |||
208 | */ | 208 | */ |
209 | int can_send(struct sk_buff *skb, int loop) | 209 | int can_send(struct sk_buff *skb, int loop) |
210 | { | 210 | { |
211 | struct sk_buff *newskb = NULL; | ||
211 | int err; | 212 | int err; |
212 | 213 | ||
213 | if (skb->dev->type != ARPHRD_CAN) { | 214 | if (skb->dev->type != ARPHRD_CAN) { |
@@ -244,8 +245,7 @@ int can_send(struct sk_buff *skb, int loop) | |||
244 | * If the interface is not capable to do loopback | 245 | * If the interface is not capable to do loopback |
245 | * itself, we do it here. | 246 | * itself, we do it here. |
246 | */ | 247 | */ |
247 | struct sk_buff *newskb = skb_clone(skb, GFP_ATOMIC); | 248 | newskb = skb_clone(skb, GFP_ATOMIC); |
248 | |||
249 | if (!newskb) { | 249 | if (!newskb) { |
250 | kfree_skb(skb); | 250 | kfree_skb(skb); |
251 | return -ENOMEM; | 251 | return -ENOMEM; |
@@ -254,7 +254,6 @@ int can_send(struct sk_buff *skb, int loop) | |||
254 | newskb->sk = skb->sk; | 254 | newskb->sk = skb->sk; |
255 | newskb->ip_summed = CHECKSUM_UNNECESSARY; | 255 | newskb->ip_summed = CHECKSUM_UNNECESSARY; |
256 | newskb->pkt_type = PACKET_BROADCAST; | 256 | newskb->pkt_type = PACKET_BROADCAST; |
257 | netif_rx(newskb); | ||
258 | } | 257 | } |
259 | } else { | 258 | } else { |
260 | /* indication for the CAN driver: no loopback required */ | 259 | /* indication for the CAN driver: no loopback required */ |
@@ -266,11 +265,20 @@ int can_send(struct sk_buff *skb, int loop) | |||
266 | if (err > 0) | 265 | if (err > 0) |
267 | err = net_xmit_errno(err); | 266 | err = net_xmit_errno(err); |
268 | 267 | ||
268 | if (err) { | ||
269 | if (newskb) | ||
270 | kfree_skb(newskb); | ||
271 | return err; | ||
272 | } | ||
273 | |||
274 | if (newskb) | ||
275 | netif_rx(newskb); | ||
276 | |||
269 | /* update statistics */ | 277 | /* update statistics */ |
270 | can_stats.tx_frames++; | 278 | can_stats.tx_frames++; |
271 | can_stats.tx_frames_delta++; | 279 | can_stats.tx_frames_delta++; |
272 | 280 | ||
273 | return err; | 281 | return 0; |
274 | } | 282 | } |
275 | EXPORT_SYMBOL(can_send); | 283 | EXPORT_SYMBOL(can_send); |
276 | 284 | ||